That's How We're Gonna Beat 'Em, Butch:

A German Neo-Nazi went to Afghanistan to train and fight with the Taliban. At last, he had to give it up and come home, saying he made a big mistake. Why? According to him, his wife made him do it. She was very upset by the lack of creature comforts, the bad treatment of women, and the fact that they couldn't hold hands in public.

Oh, and also:

His catalogue of complaints over his poorly thought-out decision included his fellow combatants' drug habits, a lack of hygiene, contracting hepititis A and his friends being horribly killed by Pakistani forces helicopters.